/*
 * Copyright 2007 Matt Jensen
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package org.jtell.config.annotation;

import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * <p>
 * <code>Attribute</code> attaches a user-defined affinity attribute to a listener method.
 * </p>
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Attribute
{
    /**
     * <p>
     * The name under which the attribute is to be stored.
     * </p>
     *
     * @return {@link String} attribute key.
     */
    String key() default "";

    /**
     * <p>
     * The value which is to be attached to the attribute.
     * </p>
     *
     * @return {@link String} attribute value.
     */
    String value() default "";
}
